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Analogue radio over fiber aided optical-domain MIMO signal processing for high-performance low-cost radio access networks

Analogue radio over fiber aided optical-domain MIMO signal processing for high-performance low-cost radio access networks
Analogue radio over fiber aided optical-domain MIMO signal processing for high-performance low-cost radio access networks
Wireless communication is facing an ever-increasing thirst for high-quality data transmission. However, this imposes high demands on the radio access networks (RAN), where optical fiber has been widely used both for the backhaul and fronthaul. However, the explosive escalation of wireless teletraffic tests the limits of the RAN’s revenue vs cost trade-off, which motivates low-cost designs. Hence, we present a costefficient yet high-performance radio over fiber (RoF) aided RAN concept. We commence by introducing this motivation, followed by a brief introduction to analogue RoF (A-RoF) and digitised RoF (D-RoF), as well as to wireless multiple-input-multiple-input (MIMO) techniques. Then, we present the centralised RAN (CRAN) concept relying on A-RoF aided MIMO signal processing, where the MIMO signal is carried by fiber and it is processed optically in a central unit. Subsequently, we focus our attention on a C-RAN small-cell application followed by our performance vs cost analysis of the A-RoF system compared to that of its baseband counterparts, demonstrating that the A-RoF design is capable of reducing the RAN’s total cost, whilst meeting the third generation partnership project’s (3GPP) requirements.
0163-6804
Li, Yichuan
66d2dfef-f67a-4d18-9338-301ffc972595
Wang, Fasong
c748dc10-033c-4fdf-904d-0ddde515462c
El-Hajjar, Mohammed
3a829028-a427-4123-b885-2bab81a44b6f
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Li, Yichuan
66d2dfef-f67a-4d18-9338-301ffc972595
Wang, Fasong
c748dc10-033c-4fdf-904d-0ddde515462c
El-Hajjar, Mohammed
3a829028-a427-4123-b885-2bab81a44b6f
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Li, Yichuan, Wang, Fasong, El-Hajjar, Mohammed and Hanzo, Lajos (2020) Analogue radio over fiber aided optical-domain MIMO signal processing for high-performance low-cost radio access networks. IEEE Communications Magazine. (In Press)

Record type: Article

Abstract

Wireless communication is facing an ever-increasing thirst for high-quality data transmission. However, this imposes high demands on the radio access networks (RAN), where optical fiber has been widely used both for the backhaul and fronthaul. However, the explosive escalation of wireless teletraffic tests the limits of the RAN’s revenue vs cost trade-off, which motivates low-cost designs. Hence, we present a costefficient yet high-performance radio over fiber (RoF) aided RAN concept. We commence by introducing this motivation, followed by a brief introduction to analogue RoF (A-RoF) and digitised RoF (D-RoF), as well as to wireless multiple-input-multiple-input (MIMO) techniques. Then, we present the centralised RAN (CRAN) concept relying on A-RoF aided MIMO signal processing, where the MIMO signal is carried by fiber and it is processed optically in a central unit. Subsequently, we focus our attention on a C-RAN small-cell application followed by our performance vs cost analysis of the A-RoF system compared to that of its baseband counterparts, demonstrating that the A-RoF design is capable of reducing the RAN’s total cost, whilst meeting the third generation partnership project’s (3GPP) requirements.

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Accepted/In Press date: 10 October 2020

Identifiers

Local EPrints ID: 444605
URI: http://eprints.soton.ac.uk/id/eprint/444605
ISSN: 0163-6804
PURE UUID: af498688-d518-4fe7-970a-d7ceb4821cc1
ORCID for Mohammed El-Hajjar: ORCID iD orcid.org/0000-0002-7987-1401
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 27 Oct 2020 19:53
Last modified: 13 Jan 2021 17:31

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